Question

x^2 -64x + 348 find the value of x

Answer 1

${x}^{2} - 64x + 348$

$\underbrace{-58-6}_{348} = 64$

${x}^{2} - 58x - 6x + 348$

Taking the common factors..

$x(x - 58) - 6(x - 58)$

$(x - 58)(x - 6)$

therefore removing the brackets u get

x= 6 or x = 58